In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

[Q]: Sentence: The facades were covered with fresh multicolor paintwork , greatly enhancing the external appearance of the buildings . 
 Question: what was  covered  with something?
[A]: The facades


[Q]: Sentence: An `` optical image stabilizer '' , often abbreviated OIS , IS , or OS , is a mechanism used in a still camera or video camera that stabilizes the recorded image by varying the optical path to the sensor . 
 Question: how does something stabilize something?
[A]: by varying the optical path to the sensor


[Q]: Sentence: The means to lay their foundation being the outcome of special prayers addressed to the Mother of God during the nine days preceding event of 8 Dec. , 1854 . 
 Question: when will something be addressed  to someone?
[A]:
during the nine days preceding event of 8 Dec. , 1854 .


